Since WPMU and WP merged code bases, things have come a long way. Starting with version 4.0, the plugin should now be installed in the standard “plugin” folder and activated “Network Wide” and requires WordPress 3.2+. This will allow for much easier installations and also notifications of upgrades.

Now, for those of you that are running this plugin currently – don’t worry, the migration is fairly simple.

Make sure you have a network admin enabled non-ldap account setup and available in the blog

Remove the current plugin from mu-plugins (all configuration options will stay in the WP database)

Install version 4.x of the plugin into the standard plugins folder

Network Activate the plugin

Thats it! The plugin should now be re-activated with all of your previous settings.